Merge version 5.18.12-1+rpi1 and 5.18.12-3 to produce 5.18.12-3+rpi1

diff --cc debian/changelog
index 890fc43f5f31d913abf66c61830c8606397ff744,757d49e9048cf5ceec66e52781ac009bb2a321c8..4c0dbe70d6e83db474119db40b6cdb6c3232c9fc
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,10 -1,22 +1,30 @@@
- ltsp (5.18.12-1+rpi1) buster-staging; urgency=medium
++ltsp (5.18.12-3+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 5.5.1-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 09 Mar 2014 01:38:49 +0000]
 +  * Treat raspbian the same as debian to avoid build failure, further
 +    tweaking may be needed to make the package actually work on a Pi.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sat, 16 Mar 2019 02:19:33 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Thu, 06 Jun 2019 14:16:11 +0000
++
+ ltsp (5.18.12-3) unstable; urgency=medium
+ 
+   * ltsp-client-builder: Add --trust-file-mirror to ltsp-build-client
+     options to fix builds from unsigned CDs (Closes: #929735).
+ 
+  -- Vagrant Cascadian <vagrant@debian.org>  Wed, 29 May 2019 13:02:07 -0700
+ 
+ ltsp (5.18.12-2) unstable; urgency=medium
+ 
+   [ Frans Spiesschaert ]
+   * [INTL:nl] Dutch translation of debconf messages (Closes: #924103).
+ 
+   [ Vagrant Cascadian ]
+   * Add patch to fix loop mounting and ensure mount is read-only. Thanks
+     to Alkis Georgopoulos.
+   * Add patch to fix codename detection (Closes: #925173). Thanks to
+     Wolfgang Schweer.
+ 
+  -- Vagrant Cascadian <vagrant@debian.org>  Mon, 27 May 2019 04:58:46 -0700
  
  ltsp (5.18.12-1) unstable; urgency=medium